🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.01

Radius: 1.32

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.5 AU - 0.52 AU

Year: 134 Days

Day: 22.4 Hours

Environment

Temp: 223 °C

Axial Tilt: 4.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.05

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.46 AU - 0.66 AU

Year: 155 Days

Day: 30.9 Hours

Environment

Temp: 168 °C

Axial Tilt: 39.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.85

Radius: 1.28

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.82 AU - 0.92 AU

Year: 299 Days

Day: 21.9 Hours

Environment

Temp: 165 °C

Axial Tilt: 49.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 55,962,413 km

• M1: 341,233 km (0.079 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.34

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.09 AU - 1.77 AU

Year: 631 Days

Day: 33.4 Hours

Environment

Temp: -40 °C

Axial Tilt: 25.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 55,962,413 km

• M1: 1,346,830 km (0.118 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.45

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.68 AU - 2.28 AU

Year: 1028 Days

Day: 37.6 Hours

Environment

Temp: -60 °C

Axial Tilt: 34.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.59

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 4.11 AU - 4.55 AU

Year: 3324 Days

Day: 32.6 Hours

Environment

Temp: -141 °C

Axial Tilt: 9.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 55,962,413 km

• M1: 867,069 km (0.075 R)
• M2: 2,219,733 km (0.099 R)

Asteroid Belt

Center: 4.69 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 478.2

Radius: 8

Gravity: 7.47 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 4.01 AU - 6.07 AU

Year: 4175 Days

Day: 10.5 Hours

Environment

Temp: -134 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 55,962,413 km

• M1: 107,860 km (0.084 R)
• M2: 161,416 km (0.088 R)
• M3: 261,048 km (0.081 R)
• M4: 348,264 km (0.061 R)
• M5: 412,890 km (0.1 R)
• M6: 464,651 km (0.045 R)
• M7: 614,698 km (0.116 R)
• M8: 695,929 km (0.102 R)
• M9: 748,737 km (0.052 R)
• M10: 813,962 km (0.12 R)
• M11: 1,107,323 km (0.114 R)
• M12: 1,182,571 km (0.068 R)
• M13: 1,325,138 km (0.095 R)
• M14: 1,584,989 km (0.086 R)
• M15: 1,713,644 km (0.05 R)
• M16: 1,920,837 km (0.066 R)
• M17: 1,996,832 km (0.114 R)
• M18: 2,183,381 km (0.056 R)
• M19: 2,262,817 km (0.105 R)
• M20: 2,657,457 km (0.089 R)
• M21: 2,845,651 km (0.068 R)
• M22: 3,362,661 km (0.087 R)
• M23: 3,547,564 km (0.083 R)
• M24: 3,660,211 km (0.028 R)
• M25: 3,831,501 km (0.038 R)
• M26: 3,908,394 km (0.083 R)
• M27: 4,162,112 km (0.053 R)
• M28: 4,542,539 km (0.087 R)
• M29: 4,603,575 km (0.111 R)
• M30: 4,809,272 km (0.03 R)
• M31: 4,954,981 km (0.05 R)
• M32: 5,422,624 km (0.074 R)
• M33: 5,639,840 km (0.099 R)
• M34: 5,727,654 km (0.078 R)
• M35: 5,904,329 km (0.096 R)
• M36: 6,861,905 km (0.055 R)
• M37: 7,073,287 km (0.107 R)
• M38: 7,575,038 km (0.1 R)
• M39: 7,866,903 km (0.119 R)
• M40: 8,088,158 km (0.113 R)
• M41: 8,236,859 km (0.098 R)
• M42: 8,386,606 km (0.058 R)
• M43: 8,587,367 km (0.06 R)
• M44: 9,225,401 km (0.108 R)
• M45: 9,668,062 km (0.102 R)
• M46: 9,958,132 km (0.112 R)
• M47: 10,519,872 km (0.088 R)
• M48: 11,091,934 km (0.106 R)
• M49: 11,562,419 km (0.053 R)
• M50: 12,838,938 km (0.068 R)
• M51: 13,157,881 km (0.099 R)
• M52: 13,362,082 km (0.109 R)
• M53: 13,567,480 km (0.117 R)
• M54: 14,100,198 km (0.078 R)
• M55: 14,459,083 km (0.099 R)
• M56: 14,942,434 km (0.088 R)
• M57: 15,033,688 km (0.078 R)
• M58: 15,186,129 km (0.112 R)
• M59: 15,862,909 km (0.104 R)
• M60: 16,049,308 km (0.114 R)
• M61: 16,455,467 km (0.114 R)
• M62: 16,549,713 km (0.08 R)
• M63: 16,643,960 km (0.076 R)
• M64: 17,150,498 km (0.116 R)
• M65: 17,277,956 km (0.113 R)
• M66: 18,308,386 km (0.084 R)
• M67: 18,667,271 km (0.093 R)
• M68: 19,028,400 km (0.11 R)
• M69: 19,160,346 km (0.116 R)
• M70: 19,226,468 km (0.109 R)
• M71: 19,358,712 km (0.08 R)
• M72: 19,857,921 km (0.113 R)
• M73: 20,092,191 km (0.117 R)
• M74: 20,226,530 km (0.078 R)
• M75: 20,361,168 km (0.116 R)
• M76: 20,428,636 km (0.049 R)
• M77: 20,699,109 km (0.097 R)
• M78: 20,936,671 km (0.091 R)
• M79: 21,483,152 km (0.102 R)
• M80: 21,896,192 km (0.029 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 557.7

Radius: 11.2

Gravity: 4.45 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 5.03 AU - 6.31 AU

Year: 4981 Days

Day: 7.6 Hours

Environment

Temp: -152 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 55,962,413 km

• M1: 141,819 km (0.071 R)
• M2: 530,175 km (0.052 R)
• M3: 624,571 km (0.055 R)
• M4: 737,218 km (0.102 R)
• M5: 808,427 km (0.057 R)
• M6: 1,331,870 km (0.048 R)
• M7: 1,512,135 km (0.098 R)
• M8: 1,797,718 km (0.094 R)
• M9: 1,896,901 km (0.098 R)
• M10: 2,135,659 km (0.111 R)
• M11: 2,475,396 km (0.117 R)
• M12: 2,623,797 km (0.108 R)
• M13: 2,755,892 km (0.117 R)
• M14: 2,890,530 km (0.074 R)
• M15: 2,968,321 km (0.093 R)
• M16: 3,679,659 km (0.107 R)
• M17: 3,785,574 km (0.1 R)
• M18: 3,978,705 km (0.108 R)
• M19: 4,691,988 km (0.034 R)
• M20: 5,205,408 km (0.103 R)
• M21: 5,614,408 km (0.095 R)
• M22: 5,959,082 km (0.071 R)
• M23: 6,159,244 km (0.091 R)
• M24: 6,489,107 km (0.099 R)
• M25: 6,695,103 km (0.078 R)
• M26: 6,772,894 km (0.047 R)
• M27: 6,850,984 km (0.106 R)
• M28: 6,981,733 km (0.076 R)
• M29: 7,513,403 km (0.091 R)
• M30: 7,811,402 km (0.112 R)
• M31: 8,700,463 km (0.029 R)
• M32: 8,842,281 km (0.099 R)
• M33: 9,128,163 km (0.101 R)
• M34: 9,330,270 km (0.071 R)
• M35: 9,650,559 km (0.104 R)
• M36: 9,738,672 km (0.099 R)
• M37: 9,886,026 km (0.081 R)
• M38: 10,004,358 km (0.108 R)
• M39: 10,182,828 km (0.088 R)
• M40: 10,392,414 km (0.082 R)
• M41: 10,754,890 km (0.114 R)
• M42: 11,617,023 km (0.057 R)
• M43: 11,898,865 km (0.068 R)
• M44: 12,246,381 km (0.071 R)
• M45: 12,629,501 km (0.039 R)
• M46: 13,016,361 km (0.031 R)
• M47: 13,178,824 km (0.094 R)
• M48: 13,505,546 km (0.106 R)
• M49: 14,200,578 km (0.116 R)
• M50: 14,434,848 km (0.109 R)
• M51: 14,602,847 km (0.108 R)
• M52: 14,805,552 km (0.068 R)
• M53: 17,024,088 km (0.088 R)
• M54: 17,273,019 km (0.064 R)
• M55: 17,702,514 km (0.057 R)
• M56: 18,681,782 km (0.105 R)
• M57: 18,938,642 km (0.119 R)
• M58: 19,085,846 km (0.07 R)
• M59: 19,307,400 km (0.066 R)
• M60: 19,381,451 km (0.069 R)
• M61: 19,790,452 km (0.107 R)
• M62: 19,902,501 km (0.087 R)
• M63: 21,034,508 km (0.091 R)
• M64: 21,301,690 km (0.03 R)
• M65: 21,531,622 km (0.073 R)
• M66: 21,723,855 km (0.075 R)
• M67: 22,148,713 km (0.099 R)
• M68: 22,342,741 km (0.118 R)
• M69: 22,420,532 km (0.101 R)
• M70: 22,615,309 km (0.109 R)
• M71: 23,597,867 km (0.091 R)
• M72: 23,796,084 km (0.108 R)
• M73: 24,714,765 km (0.104 R)
• M74: 26,834,567 km (0.051 R)
• M75: 27,165,777 km (0.102 R)
• M76: 27,581,808 km (0.06 R)
• M77: 28,083,859 km (0.081 R)

Planet 9 - Gas Giant

Semi-Major Axis: 10.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 623.5

Radius: 12.3

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 9.95 AU - 11.79 AU

Year: 13223 Days

Day: 5.9 Hours

Environment

Temp: -170 °C

Axial Tilt: 157.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 55,962,413 km

• M1: 154,684 km (0.084 R)
• M2: 265,985 km (0.039 R)
• M3: 487,539 km (0.101 R)
• M4: 668,104 km (0.12 R)
• M5: 932,593 km (0.107 R)
• M6: 1,276,369 km (0.03 R)
• M7: 2,678,849 km (0.12 R)
• M8: 3,460,199 km (0.112 R)
• M9: 4,203,700 km (0.112 R)
• M10: 4,665,958 km (0.09 R)
• M11: 5,257,468 km (0.106 R)
• M12: 5,447,158 km (0.103 R)
• M13: 6,109,278 km (0.101 R)
• M14: 6,796,979 km (0.1 R)
• M15: 7,255,048 km (0.098 R)
• M16: 7,766,373 km (0.064 R)
• M17: 8,377,481 km (0.087 R)
• M18: 8,644,214 km (0.082 R)
• M19: 9,140,579 km (0.1 R)
• M20: 9,507,393 km (0.099 R)
• M21: 9,599,845 km (0.05 R)
• M22: 10,397,950 km (0.092 R)
• M23: 10,540,965 km (0.114 R)
• M24: 10,684,729 km (0.102 R)
• M25: 11,364,053 km (0.119 R)
• M26: 11,462,338 km (0.088 R)
• M27: 12,409,293 km (0.092 R)
• M28: 12,713,575 km (0.103 R)
• M29: 13,745,651 km (0.048 R)
• M30: 14,377,851 km (0.105 R)
• M31: 14,643,986 km (0.112 R)
• M32: 15,181,342 km (0.081 R)
• M33: 17,735,426 km (0.086 R)
• M34: 17,963,712 km (0.091 R)
• M35: 20,419,661 km (0.11 R)
• M36: 20,959,559 km (0.097 R)
• M37: 22,483,962 km (0.092 R)
• M38: 23,478,189 km (0.083 R)
• M39: 23,603,402 km (0.12 R)
• M40: 24,296,489 km (0.073 R)
• M41: 24,677,366 km (0.066 R)
• M42: 25,188,392 km (0.072 R)
• M43: 25,638,233 km (0.101 R)
• M44: 25,767,336 km (0.077 R)
• M45: 27,398,551 km (0.094 R)
• M46: 28,193,364 km (0.056 R)
• M47: 28,326,506 km (0.104 R)
• M48: 28,526,668 km (0.108 R)
• M49: 28,794,449 km (0.093 R)
• M50: 28,995,658 km (0.088 R)
• M51: 29,197,465 km (0.096 R)
• M52: 30,281,451 km (0.073 R)
• M53: 30,554,617 km (0.075 R)
• M54: 31,932,114 km (0.098 R)
• M55: 33,329,957 km (0.085 R)
• M56: 34,676,338 km (0.091 R)
• M57: 35,679,691 km (0.114 R)
• M58: 36,185,032 km (0.117 R)
• M59: 38,156,134 km (0.103 R)
• M60: 38,450,991 km (0.101 R)
• M61: 39,787,798 km (0.084 R)
• M62: 39,937,246 km (0.069 R)
• M63: 40,236,741 km (0.103 R)
• M64: 41,973,423 km (0.063 R)
• M65: 42,354,149 km (0.119 R)
• M66: 42,659,628 km (0.098 R)
• M67: 42,812,667 km (0.045 R)
• M68: 43,042,449 km (0.064 R)
• M69: 44,043,109 km (0.109 R)
• M70: 46,067,467 km (0.063 R)
• M71: 47,090,867 km (0.094 R)
• M72: 49,722,592 km (0.106 R)
• M73: 51,666,317 km (0.106 R)
• M74: 52,237,931 km (0.107 R)
• M75: 53,717,454 km (0.032 R)
• M76: 54,296,547 km (0.066 R)
• M77: 54,794,558 km (0.098 R)
• M78: 54,877,735 km (0.108 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 416 - 19,967 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit